F55 (Abuse of non-psychoactive substances) compared with T40.723 (Poisoning by synthetic cannabinoids, assault), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Distinct conditions — both may be reported.
“abuse of non-dependence-producing substances (F55.-)”
An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.
Source: CMS ICD-10-CM tabular instructional notes
Yes, when both are documented. T40.723 carries an Excludes2 note covering F55: “abuse of non-dependence-producing substances (F55.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
| F55Abuse of non-psychoactive substances | T40.723Poisoning by synthetic cannabinoids, assault | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | Abuse of non-psychoactive substances is a non-billable ICD-10-CM category code (F55). | Poisoning by synthetic cannabinoids, assault is a non-billable ICD-10-CM category code (T40.723). |
| 7th character | — | The appropriate 7th character is to be added to each code from category T40 |
| Includes | — | adverse effect of correct substance properly administered poisoning by overdose of substance poisoning by wrong substance given or taken in error underdosing by (inadvertently) (deliberately) taking less substance than prescribed or instructed |
| Use additional code | — | code(s) to specify: manifestations of poisoning underdosing or failure in dosage during medical and surgical care (Y63.6, Y63.8-Y63.9) |
| Code first | — | , for adverse effects, the nature of the adverse effect, such as: adverse effect NOS (T88.7) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources